2145302053 has 2 divisors, whose sum is σ = 2145302054. Its totient is φ = 2145302052.

The previous prime is 2145302039. The next prime is 2145302099. The reversal of 2145302053 is 3502035412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2142486369 + 2815684 = 46287^2 + 1678^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2145302053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145302153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072651026 + 1072651027.

It is an arithmetic number, because the mean of its divisors is an integer number (1072651027).

Almost surely, 2^2145302053 is an apocalyptic number.

It is an amenable number.

2145302053 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145302053 is an equidigital number, since it uses as much as digits as its factorization.

2145302053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2145302053 is about 46317.4055080809. The cubic root of 2145302053 is about 1289.7221229086.

Adding to 2145302053 its reverse (3502035412), we get a palindrome (5647337465).

The spelling of 2145302053 in words is "two billion, one hundred forty-five million, three hundred two thousand, fifty-three".